国产自操久久,9999在线观看,日韩中文字幕,中文字幕精品视频在线,5151精品国产人成在线观看,狠狠色综合久久婷婷色天使 ,国产精品一区二区男人吃奶

was been doing是什么時態(tài)

回答
瑞文問答

2024-10-12

過去進行時或過去將來時。將來時,除了用will還可用be+doing。時態(tài)根據(jù)句意判斷,例如:have been doing是現(xiàn)在完成進行時,表示從過去一直持續(xù)到現(xiàn)在,并且現(xiàn)在并未停止,還將持續(xù)到將來。have done現(xiàn)在完成時,到現(xiàn)在為止已經(jīng)完成。

擴展資料

  例句:

  1、I was wondering if you were doing anything this weekend.

  我想知道這個周末你是否要做什么。

  2、While they were doing their homework, I was doing the laundry.

  他們在做家庭作業(yè)的時候,我正在洗衣服。

  3、It was the locals who felt like what they were doing was dangerous.

  當?shù)厝擞X得,他們這么做是很危險的。

  4、He was doing this for himself, not for his father.

  他這么做是為了自己,不是為父親。

  5、He knew exactly what he was doing.

  他清楚地知道自己在做什么。

山东| 新民市| 靖远县| 建阳市| 赣州市| 白河县| 台前县| 同心县| 前郭尔| 丰都县| 定兴县| 尼勒克县| 怀化市| 安康市| 邵武市| 浙江省| 灵寿县| 安多县| 团风县| 阳新县| 余姚市| 平谷区| 临江市| 镇沅| 恭城| 旅游| 上饶市| 苍溪县| 西安市| 河间市| 天门市| 彝良县| 灯塔市| 永丰县| 平顺县| 宜兰市| 莆田市| 神池县| 临邑县| 鲜城| 凤山县|